1144060769 has 2 divisors, whose sum is σ = 1144060770. Its totient is φ = 1144060768.

The previous prime is 1144060693. The next prime is 1144060807. The reversal of 1144060769 is 9670604411.

It is a happy number.

It is an a-pointer prime, because the next prime (1144060807) can be obtained adding 1144060769 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 792985600 + 351075169 = 28160^2 + 18737^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144060769 - 2⁸ = 1144060513 is a prime.

It is a super-2 number, since 2×1144060769² = 2617750086329742722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1144069769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572030384 + 572030385.

It is an arithmetic number, because the mean of its divisors is an integer number (572030385).

Almost surely, 2^1144060769 is an apocalyptic number.

It is an amenable number.

1144060769 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144060769 is an equidigital number, since it uses as much as digits as its factorization.

1144060769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 1144060769 is about 33823.9673752208. The cubic root of 1144060769 is about 1045.8828247086.

The spelling of 1144060769 in words is "one billion, one hundred forty-four million, sixty thousand, seven hundred sixty-nine".